Temperature dependence of resistance and magnetoresistance of nanogranular Co-Ag films

A. Gerber, A. Milner, I. Ya Korenblit, M. Karpovsky, A. Gladkikh, A. Sulpice

Research output: Contribution to journalArticlepeer-review

Abstract

We report a number of unusual features in the temperature dependence of the resistance and the magnetoresistance of nanogranular Co-Ag films at low temperatures. These include a nonmonotonic temperature dependence of the resistance in a nonmagnetized state, anomalously low exponents in the power-law temperature dependence of the resistivity (down to (Formula presented) at high magnetic field, and almost linear temperature dependence of the giant magnetoresistance with no saturation at low temperature.

Original languageEnglish
Pages (from-to)13667-13673
Number of pages7
JournalPhysical Review B - Condensed Matter and Materials Physics
Volume57
Issue number21
DOIs
StatePublished - 1998

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